Tick tick tick tick.!

Hook stood shuddering, one foot in the air.

"The crocodile!" he gasped, and bounded away, followed by his
bo'sun.

It was indeed the crocodile. It had passed the redskins, who
were now on the trail of the other pirates. It oozed on after
Hook.

Once more the boys emerged into the open; but the dangers of
the night were not yet over, for presently Nibs rushed breathless
into their midst, pursued by a pack of wolves. The tongues of
the pursuers were hanging out; the baying of them was horrible.